Aristotles's Classical Unities
Time - actions takes place in real time; no more than one day
Action - everything in the play contributes towards the main plot
Place - everything occurs in one location only ( The Birlings' Household)
Developed by French dramatist Eugene Scribe (1791-1861) 'piece bien fait'
A 'well-made play' follows T.A.P (time action place) unities
Plot twists ( End of Play in AIC)
One character teaching a moral lesson to another (the Inspector)